Base top



FIG. 1 is a top perspective view of a base top showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front side view thereof, the rear side being a mirror image of the front side;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a right side view thereof, the left side being a mirror image of the right side. 

CLAIM The ornamental design for a base top, as shown and described. 